MAINTENANCE SCHEDULE
WARNING
Water heaters are heat producing appliances. To avoid damage or injury there must be no materials
stored against the water heater or vent-air intake system, and proper care must be taken to avoid
unnecessary contact (especially by children) with the water heater and vent-air intake system.
UNDER
NO CIRCUMSTANCES MUST FLAMMABLE MATERIALS, SUCH AS GASOLINE OR PAINT THINNER
BE USED OR STORED IN THE VICINITY OF THIS WATER HEATER, VENT-AIR INTAKE SYSTEM OR
IN ANY LOCATION FROM WHICH FUMES COULD REACH THE WATER HEATER OR VENT-AIR
INTAKE SYSTEM.
IMPORTANT
The water heater should be inspected at a minimum annually by a qualified service technician for
damaged components and/or joints not sealed. DO NOT operate this water heater if any part is found
damaged or if any joint is found not sealed.
Following are the instructions for performing some of the recommended maintenance. Unit inspection and adjustment
should be performed by a competent technician.
Table 6. Suggested Maintenance Schedule.
COMPONENT
OPERATION
INTERVAL
REQUIRED
Tank
Sediment Removal
Monthly
Flushing
Anode Rods
Inspect
Semi-Annually
Replace as Required
Relief Valve
Check Operation
Semi-Annually
Proper Operation
Blower
Clean Inlet Screen
As Required
Soft Brush
Vent & Air Intake System
Inspect
Every 3 Months
Joints should be sealed
Ignition System
Inspect
Annually
Clean of dust and dirt
Vent Terminal
Free of Shrubs & Debris
Monthly
Remove object that caused
restriction
Combustion System
Inspect
Monthly
Confirm S-OP
Condensate Line
Inspect
Monthly
Remove restriction
FLUSHING WATER HEATER
1. Turn OFF the water heater electrical disconnect switch.
2. Open the drain valve and allow water to flow until it runs clean.
3. Close the drain valve when finished flushing.
4. Turn ON the water heater electrical disconnect switch.
DRAINING WATER HEATER
The water heater must be drained if it is to be shut down and exposed to freezing temperatures. Maintenance and service
procedures may also require draining the water heater.
1. Turn off the water heater electrical disconnect switch.
2. Connect a hose to the drain valve.
3. Locate hose’s discharge in an area where hot water will not cause any damage or injury.
4. Close the cold water inlet valve to water heater.
5. Open a nearby hot water faucet to vent the system.
6. Open the heater drain valve.
7. If the water heater is being drained for an extended shutdown, it is suggested the drain valve be left open during this
period.
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Содержание 120T400
Страница 38: ...LIGHTING AND SHUT DOWN INSTRUCTIONS Figure 26 Lighting Instruction Label 38...
Страница 59: ...NOTES 59...